𝙲𝚑𝚊𝚛𝚕𝚎𝚜 𝙲. 𝙼𝚊𝚗𝚗 (@charlescmann) 's Twitter Profile
𝙲𝚑𝚊𝚛𝚕𝚎𝚜 𝙲. 𝙼𝚊𝚗𝚗

@charlescmann

Writer of 1491, 1493, and The Wizard and the Prophet. Working, inefficiently, on another book. Photo w/ the pig is pretty old by now, but I like the pig.

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calendar_today05-08-2011 18:34:40

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𝙲𝚑𝚊𝚛𝚕𝚎𝚜 𝙲. 𝙼𝚊𝚗𝚗 (@charlescmann) 's Twitter Profile Photo

Decades ago, historians Al Crosby and Philip Curtin hypothesized that the introduction of maize (corn) to Africa helped prop up the slave trade. Now, two economists test this idea and say it was right all along: sciencedirect.com/science/articl… /v Oliver Morton